Proposals L and K each cost $600,000, have 6-year lives, and have expected total cash inflows of $720,000. Proposal L is expected to provide equal annual net cash flows of $170,000, while the net cash flows for Proposal K are as follows: Year 1 $250,000 Year 2 Year 3 Year 4 200,000 100,000 50,000 100,000 20,000 $720,000 Year 5 Year 6 Determine the cash payback period for each proposal. Round your answers to two decimal places. Proposal L years Proposal K years